diff --git a/lectures/live-coding/data/milk_fat_train.csv b/lectures/live-coding/data/milk-fat-train.csv
similarity index 100%
rename from lectures/live-coding/data/milk_fat_train.csv
rename to lectures/live-coding/data/milk-fat-train.csv
diff --git a/lectures/live-coding/data/milk_fat _true.csv b/lectures/live-coding/data/milk-fat-true.csv
similarity index 100%
rename from lectures/live-coding/data/milk_fat _true.csv
rename to lectures/live-coding/data/milk-fat-true.csv